A few setup.py improvements, removing future lib (#6219)

contrib/docker/superset_config.py

@@ -1,9 +1,3 @@
-# -*- coding: utf-8 -*-
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import os
 
 

setup.py

@@ -56,19 +56,18 @@ def get_git_sha():
         'bleach',
         'boto3>=1.4.7, <2.0.0',
         'botocore>=1.7.0, <1.8.0',
-        'celery>=4.2.0',
+        'celery>=4.2.0, <5.0.0',
         'click>=6.0, <7.0.0',  # click >=7 forces "-" instead of "_"
         'colorama',
         'contextlib2',
         'cryptography',
-        'flask<1.0.0',
-        'flask-appbuilder>=1.12.1',
+        'flask>=1.0.0, <2.0.0',
+        'flask-appbuilder>=1.12.1, <2.0.0',
         'flask-caching',
         'flask-compress',
         'flask-migrate',
         'flask-wtf',
         'flower',  # deprecated
-        'future>=0.16.0, <0.17',
         'geopy',
         'gunicorn',  # deprecated
         'humanize',

superset/migrations/versions/a99f2f7c195a_rewriting_url_from_shortner_with_new_.py

@@ -16,8 +16,6 @@
 from superset import db
 from superset.legacy import cast_form_data
 from sqlalchemy.ext.declarative import declarative_base
-from future.standard_library import install_aliases
-install_aliases()
 from urllib import parse
 
 Base = declarative_base()

superset/models/core.py

@@ -12,7 +12,6 @@
 from flask_appbuilder import Model
 from flask_appbuilder.models.decorators import renders
 from flask_appbuilder.security.sqla.models import User
-from future.standard_library import install_aliases
 import numpy
 import pandas as pd
 import sqlalchemy as sqla
@@ -36,7 +35,6 @@
 from superset.models.user_attributes import UserAttribute
 from superset.utils import core as utils
 from superset.viz import viz_types
-install_aliases()
 from urllib import parse  # noqa
 
 config = app.config

superset/models/sql_lab.py

@@ -5,7 +5,6 @@
 
 from flask import Markup
 from flask_appbuilder import Model
-from future.standard_library import install_aliases
 import sqlalchemy as sqla
 from sqlalchemy import (
     Boolean, Column, DateTime, ForeignKey, Integer, Numeric, String, Text,
@@ -16,8 +15,6 @@
 from superset.models.helpers import AuditMixinNullable
 from superset.utils.core import QueryStatus, user_label
 
-install_aliases()
-
 
 class Query(Model):
     """ORM model for SQL query"""

superset/utils/dashboard_import_export.py

@@ -1,9 +1,4 @@
 # pylint: disable=C,R,W
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-from __future__ import unicode_literals
-
 import json
 import logging
 import time